4820-00-935-5552

Find complete technical information, availability, and procurement data for: 4820-00-935-5552
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-935-5552

Item Name Code

05485

Assigment Date

02/21/1968 (58 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

2.000 inches 1st end nominal pipe size accommodated, outside screw-yoke bonnet type, beveled (pipe) 1st end connection style, disk flow control device, threaded bonnet attachment method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Nominal Pipe Size Accommodated: 2.000 inches 1st end
Flow Control Device: disk
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: threaded
Connection Style: beveled (pipe) 1st end
Valve Operation Method: manual
Connection Type: butt weld pipe 1st end
Features Provided: valve stem lock shield and bonnet packing
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Criticality Code Justification: zzzy
Material: cobalt alloy body lining
Material: nickel alloy body
Media For Which Designed: water, fresh single response
Style Designator: straight thru
Reference Number Differentiating Characteristics: selected and tested in accordance with nuclear propulsion plantsystem valve is capped

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
820-2178580-12	Globe Valve
820-2178580GP12	Globe Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-00-935-5552?

The FSCG of the NSN 4820-00-935-5552 is 4820

Does the NSN 4820-00-935-5552 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-00-935-5552 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 4820-00-935-5552 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-935-5552 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-00-935-5552 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Feb 21, 1968